try this: mat <- array(1:3, dim = c(4, 5)) ######### ind <- table(apply(mat, 1, paste, collapse = "/")) ind <- which.max(ind) as.numeric(strsplit(names(ind), "/")[[1]])
I hope it helps. Best, Dimitris ---- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16/336899 Fax: +32/(0)16/337015 Web: http://med.kuleuven.be/biostat/ http://www.student.kuleuven.be/~m0390867/dimitris.htm Quoting kone <[EMAIL PROTECTED]>: > Hi, > > How do you get the most common row from a matrix? If I have a matrix > like this > > array(1:3,dim=c(4,5)) > > [,1] [,2] [,3] [,4] [,5] > [1,] 1 2 3 1 2 > [2,] 2 3 1 2 3 > [3,] 3 1 2 3 1 > [4,] 1 2 3 1 2 > > in which rows 1 and 4 are similar, I want to find that vector c > (1,2,3,1,2). > > Atte Tenkanen > University of Turku, Finland > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.